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NATS

Simple, secure and high-performance messaging

Reviewed byRoman K· 2026-06-27

About

Cloud-native messaging for microservices, edge, and IoT. Pub/sub, request/reply, JetStream.

messagingcncfpub-subopen-source

Metrics

20.1k
GitHub Stars
1.9k
Forks
840.0k
npm Downloads/wk
517
Open Issues

More in Queues & Message Bus

Frequently asked questions

What is NATS?▾

Cloud-native messaging for microservices, edge, and IoT. Pub/sub, request/reply, JetStream. It falls under the queues & message bus category and uses a open-source pricing model. The project is actively maintained with 20.1k GitHub stars.

Is NATS free?▾

Yes, NATS offers a free plan that you can use without a credit card. The pricing model is open-source.

How much does NATS cost?▾

NATS is free to start. It uses a open-source pricing model. A free plan is available for small projects or evaluation. Check https://nats.io for the latest pricing details and plan comparison.

What category is NATS in?▾

NATS is a queues & message bus tool. Job queues, event brokers, pub/sub infrastructure You can compare NATS with 2 alternatives in the same category on Soft.xyz.

Is NATS open source?▾

Yes, NATS is open source and freely available on GitHub. It has 20.1k stars and 1.9k forks, with the last commit on 2026-06-27. You can inspect the source code, contribute, or self-host it.

What are alternatives to NATS?▾

Popular alternatives to NATS include Apache Kafka, RabbitMQ. Each offers different pricing, features, and community support. You can compare them side-by-side on Soft.xyz using real metrics like GitHub stars, npm downloads, and actual pricing data.

How popular is NATS?▾

NATS has 20.1k stars on GitHub and 840.0k weekly npm downloads. This places it among the most popular tools in its category. The project was last updated on 2026-06-27.